Math Year 2013
Math tidbits and sometimes a little more.
Fun facts to know and tell.
Math Year 2013
Math tidbits and sometimes a little more.
Fun facts to know and tell.
Monday, July 29, 2013
The top of the bell shaped curve
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This is the bell shaped curve from x ranging from -3 to 3. Note that this is NOT the normal curve, the famous workhorse of statistics. I...
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Sunday, July 28, 2013
The catenary and the parabola.
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If the two ends of a chain are held fast at the same height, what is the shape of the hanging section? This question has been around for a ...
Saturday, July 27, 2013
Tangents of the lower half of a circle
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The bottom half of a circle has tangents that don't look anything like the tangents of a parabola or the trough of a sine wave. Most ...
Friday, July 26, 2013
tangents of a sine wave trough
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These are the tangent lines defined by the trough of a sine wave, with x between - pi and 0. Over this particular stretch, the curve mi...
Thursday, July 25, 2013
Tangents of a parabola
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I apologize to readers of this blog for my month's absence. My Internet provider was down for about eleven days and I prioritized the ...
Friday, June 28, 2013
Stolen shamelessly from Brad de Long's blog.
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Tuesday, June 25, 2013
Massachusetts Senate Race: Markey(D) vs. Gomez(R)
Final election day update
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The special election to fill John Kerry's Senate seat in Massachusetts is today and Democrat Ed Markey has lead in the polls from day...
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